Finding the Fourth Proportional to 1,124,472.80, 1,551,786.72 and 615,183.68
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Solution
The fourth proportional to 1,124,472.80, 1,551,786.72 and 615,183.68 is: 848,961.28
Step by Step Solution
- Step 1: Write the proportion equation
1,124,472.80 : 1,551,786.72 = 615,183.68 : x - Step 2: Convert to fraction form
1,124,472.80/1,551,786.72 = 615,183.68/x - Step 3: Cross multiply
1,124,472.80x = 1,551,786.72 × 615,183.68 - Step 4: Simplify right side
1,124,472.80x = 954,633,864,984.73 - Step 5: Solve for x
x = 954,633,864,984.73/1,124,472.80 - Step 6: Final answer
x = 848,961.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.